(0 18 12 11 7)(1 21 5)(2 8 6)(3 10 4)(9 15 13)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (0 1 7)
(0)(1 18 12 11 7 21 5)(2 8 6)(3 10 4)(9 15 13)(14 19 16)(17 22 20)
2: (5 7 21)
(0)(1 18 12 11 7)(2 8 6)(3 10 4)(5)(9 15 13)(14 19 16)(17 22 20)(21)
3: (2 8 6)
(0)(1 18 12 11 7)(2)(3 10 4)(5)(6)(8)(9 15 13)(14 19 16)(17 22 20)(21)
4: (1 18 7)
(0)(1)(2)(3 10 4)(5)(6)(7 12 11)(8)(9 15 13)(14 19 16)(17 22 20)(18)(21)